10 results
Hypophosphatemia - Differential Diagnosis Algorithm

Transcellular Shift
 • Recovery From DKA
 • Refeeding Syndrome
 • Acute Respiratory
Differential Diagnosis Algorithm ... Transcellular Shift ... Refeeding Syndrome • Acute ... Increased Excretion - Renal ... : • Aluminum/Magnesium
Approach to Hypomagnesemia 

Fractional excretion of magnesium = (urine magnesium x serum creatinine)/ [0.7 (serum magnesium
intake, Gl loss, shift ... if renal function ... Hypomagnesemia #algorithm ... diagnosis #causes #nephrology ... #magnesium #low
Hypophosphatemia - Differential Diagnosis Algorithm
 • Decreased intake/absorption: Starvation, Alcoholism, Malabsorption, Phosphate binder use
 • Redistribution/
Hypophosphatemia ... Redistribution/ Shift ... into cells - Acute ... bone syndrome • Renal ... #causes #nephrology
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
paraproteinemia, acute ... Transcellular Shift ... FEPO4 ≥ 5% - Renal ... • Normal or Low ... Workup #phosphate #nephrology
Hypocalcemia Workup - Differential Diagnosis Algorithm
 • Low Magnesium, High Magnesium - Functional Hypoparathyroidism
 • High
Low Magnesium ... , High Magnesium ... Extravascular deposition: Hyperphosphatemia ... , Acute Pancreatitis ... #nephrology #calcium
Hypophosphatemia - Differential Diagnosis Algorithm
Appropriately Low Kidney Phosphate Excretion:
 • Decreased GI Absorption: Chronic Diarrhea, Antacids,
Hypophosphatemia ... Appropriately Low ... Transcellular Shift ... Refeeding Syndrome, Acute ... #nephrology #phosphorus
Hyponatremia with Severe Symptoms - Management Algorithm with Hypertonic Saline
The goal of acute management is to
Hyponatremia with ... Saline The goal of acute ... probably not the low ... #treatment #Hypertonic ... #Saline #nephrology
Causes of Hypomagnesemia
 • Redistribution: IV glucose, Correction of diabetic ketoacidosis, IV hyperalimentation, Refeeding after starvation,
after starvation, Acute ... steatorrhea) • Renal ... depletion, Familial hypophosphatemia ... differential #diagnosis #nephrology ... #magnesium #low
Rhabdomyolysis - Differential Diagnosis Framework and Management Summary

Causes of Rhabdomyolysis:
 • Trauma:
	- Immobilization
	- Crush injury
	- Compartment
Hyperkalemia • Hyperphosphatemia ... Hyperuricemia • Hyponatremia ... Shift of extracellular ... Treatment of underlying ... #nephrology
Causes of Hypokalemia - Differential Diagnosis Algorithm
Decreased intake (rare cause in isolation)
GI loss - Urine loss
Differential Diagnosis Algorithm ... Transcellular shift ... Gittelman's syndrome • Magnesium ... aldosterone • Renal ... #Hypokalemia #Nephrology